Hi guys so I've decided to break down my tank and had an unused unopened co2 regulator for my tank. They sell for 210$$ at amazon
"http://https://www.amazon.com/Regulator-aqua-plant-fish-tank/dp/B015GPYD3S/ref=sr_1_9?ie=UTF8&qid=1471402940&sr=8-9&keywords=co2+regulator+upaqua
Please text 619 709 4387 if interested>>> Pic
selling for 50$$$